The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 09, 2005
Filed:
Sep. 10, 2001
Koji Tanoue, Honjou, JP;
Yoshikazu Omoto, Honjou, JP;
Yoshiyuki Shoji, Honjou, JP;
Masayuki Nishina, Honjou, JP;
Toshio Ueda, Akita, JP;
Koji Tanoue, Honjou, JP;
Yoshikazu Omoto, Honjou, JP;
Yoshiyuki Shoji, Honjou, JP;
Masayuki Nishina, Honjou, JP;
Toshio Ueda, Akita, JP;
Dowa Mining Co., Ltd., Tokyo, JP;
Abstract
A cathode active material for alkaline electrochemical cells comprising an Ag—Bi-M-containing oxidation product produced by oxidizing with an oxidizing agent an Ag—Bi-M-containing neutralized precipitate obtained by reacting inorganic acid salts of silver, bismuth and, optionally, M (M representing at least one metal selected from the group comprised of manganese, nickel and cobalt) with an alkali hydroxide in an aqueous medium; or comprising an Ag—Bi-M-containing oxidation product obtained by reacting inorganic acid salts of silver, bismuth and, optionally, M with an alkali hydroxide in an aqueous medium and in the presence of an oxidizer.